package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.QueryByPage.EmployeeQueryByPage;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.PasswordEditDTO;
import com.sky.entity.Employee;
import com.sky.entity.PasswordEdit;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import com.sky.vo.EmployeeVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    @Override
    public PageResult getByPage(EmployeeQueryByPage queryByPage) {
        PageHelper.startPage(queryByPage.getPage(),queryByPage.getPageSize());
        List<Employee> employees =  employeeMapper.getByPage(queryByPage);
        Page<Employee> p = (Page<Employee>) employees;
        return new PageResult(p.getTotal(),p.getResult());
    }

    @Override
    public void add(Employee employee) {
//        Employee employee = new Employee();
//        BeanUtils.copyProperties(employeeDTO,employee);
        employeeMapper.add(employee);
    }

    @Override
    public EmployeeVo getById(Integer id) {
        Employee employee =  employeeMapper.getById(id);
        EmployeeVo employeeVo = new EmployeeVo();
        BeanUtils.copyProperties(employee,employeeVo);
        return employeeVo;
    }

    @Override
    public void enable(Integer status, Integer id) {
        employeeMapper.enable(status,id);
    }

    @Override
    public void update(EmployeeDTO employeeDTO) {
        Employee employee = new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);
        employeeMapper.update(employee);
    }

    @Override
    public void updatePassword(PasswordEditDTO passwordEditDTO) {
        PasswordEdit passwordEdit = new PasswordEdit();
        BeanUtils.copyProperties(passwordEditDTO,passwordEdit);
        employeeMapper.updatePassword(passwordEdit);
    }


}
